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National Surveys for Rat Damage in Lowland Rice
Ecological Relations Between Small Mammal Populations
Response of Ricefield Rats to Population Reduction
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additional adjacent agricultural amounts of bait anticoagulants argentiventer average bait consumption bait stations baiting points Banos barrio BIOLOGIST birds Bureau of Plant carbofuran cavans chronic toxicants coconut conducted control programs copra corn cost coumatetralyl crop crown-baiting damage reduction ears effective estimates evaluation exulans fallen nuts farmers fence fenthion field ground level habitat harvest hectare increased Laguna Laguna de Bay Lumban malacca marshland methods methyl carbamate mindanensis Mindoro numbers observed Oriental Mindoro paddies Pangasinan percent period Philippines Plant Industry preliminary punctulata randomly selected rat activity rat control rat populations Rattus reducing rat damage reference area reference plots rH rH ricefields rodent control Rodent Research Center rodenticides samples Sanchez species sugarcane sustained baiting sustained baiting procedure Table technicians tillers cut tracking tiles trap success treated plots treatment tree per month trial untreated UPLB USAID vertebrate pest warfarin Wildlife yield zinc phosphide